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Acute calcific tendinitis of the thumb in a child: a case report

Michiyuki Hakozaki1, Masumi Iwabuchi, Shinichi Konno

  • 1Department of Orthopaedic Surgery, Fukushima Medical University School of Medicine, 1 Hikarigaoka, Fukushima-shi, Fukushima 960-1295, Japan. paco@fmu.ac.jp

Clinical Rheumatology
|August 11, 2006
PubMed

Insights

Acute calcific tendinitis is rare in children, but a 10-year-old boy experienced thumb extensor pollicis longus (EPL) tendon calcification. Conservative treatment resolved symptoms and cleared the calcium deposit within weeks.

Area of Science:

  • Orthopedics
  • Pediatric Rheumatology
  • Radiology

Background:

  • Acute calcific tendinitis is an uncommon condition affecting tendons, characterized by calcium hydroxyapatite crystal deposition.
  • It is particularly rare in pediatric populations and affects the hand and digits infrequently.
  • The extensor pollicis longus (EPL) tendon is a common site for tendinitis but rarely involves calcific deposits, especially in children.

Observation:

  • A case study of a 10-year-old boy presenting with acute calcific tendinitis of the thumb's EPL tendon.
  • Initial plain radiographs revealed a distinct calcium deposit within the EPL tendon.
  • The patient experienced rapid symptom resolution with conservative management.

Findings:

  • Conservative therapy led to complete symptom resolution within one week.
  • Serial plain radiographs demonstrated a progressive decrease in the size of the calcium deposit.
  • The calcium deposit was completely resolved on radiographs within six weeks of conservative treatment.

Implications:

  • This case highlights that acute calcific tendinitis, though rare, can occur in the pediatric thumb EPL tendon.
  • Conservative management appears effective for treating this condition in children, leading to rapid symptom relief and radiographic resolution.
  • Early diagnosis via plain radiography and prompt conservative treatment can prevent long-term complications in pediatric patients.

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